Image of the Day: Single Origin

Despite being made of different materials, zebrafishes’ and land animals’ scales form in a similar process.

Sukanya Charuchandra
Sukanya Charuchandra

Originally from Mumbai, Sukanya Charuchandra is a freelance science writer based out of wherever her travels take her. She holds master’s degrees in Science Journalism and Biotechnology. You can read...

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Aug 10, 2018
The different stages of scale formation (magenta) in zebrafish 
A.J. AMAN ET AL. (2018)

The scales of fish are made of bones, unlike the keratin-based scales of terrestrial animals. Despite these differences, the same genes direct the development of fishes’ bony scales and those of land animals, researchers reported in a paper published July 17 in eLife

A.J. Aman et al., “Wnt/β-catenin regulates an ancient signaling network during zebrafish scale development,” eLife, doi:10.7554/eLife.37001, 2018.

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